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Oracle® Database PL/SQL Language Reference
11g Release 1 (11.1)

B28370-05
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DROP FUNCTION Statement

The DROP FUNCTION statement drops a standalone stored function from the database.

Note:

Do not use this statement to drop a function that is part of a package. Instead, either drop the entire package using the DROP PACKAGE Statement or redefine the package without the function using the CREATE PACKAGE Statement with the OR REPLACE clause.

Prerequisites

The function must be in your own schema or you must have the DROP ANY PROCEDURE system privilege.

Syntax

drop_function::=

drop_function
Description of the illustration drop_function.gif

Keyword and Parameter Descriptions

schema

Specify the schema containing the function. If you omit schema, then the database assumes the function is in your own schema.

function_name

Specify the name of the function to be dropped.

The database invalidates any local objects that depend on, or call, the dropped function. If you subsequently reference one of these objects, then the database tries to recompile the object and returns an error if you have not re-created the dropped function.

If any statistics types are associated with the function, then the database disassociates the statistics types with the FORCE option and drops any user-defined statistics collected with the statistics type.

See Also:

Example

Dropping a Function: Example The following statement drops the function SecondMax in the sample schema oe and invalidates all objects that depend upon SecondMax:

DROP FUNCTION oe.SecondMax; 

See Also:

Creating Aggregate Functions: Example for information about creating the SecondMax function

Related Topics